function acf_update_field($field = false, $specific = false)
{
// $field must be an array
if (!is_array($field)) {
return false;
}
// validate
$field = acf_get_valid_field($field);
// may have been posted. Remove slashes
$field = wp_unslash($field);
// parse types (converts string '0' to int 0)
$field = acf_parse_types($field);
// clean up conditional logic keys
if (!empty($field['conditional_logic'])) {
// extract groups
$groups = acf_extract_var($field, 'conditional_logic');
// clean array
$groups = array_filter($groups);
$groups = array_values($groups);
// clean rules
foreach (array_keys($groups) as $i) {
$groups[$i] = array_filter($groups[$i]);
$groups[$i] = array_values($groups[$i]);
}
// reset conditional logic
$field['conditional_logic'] = $groups;
}
// parent may be a field key
// - lookup parent ID
if (acf_is_field_key($field['parent'])) {
$field['parent'] = acf_get_field_id($field['parent']);
}
// filter for 3rd party customization
$field = apply_filters("acf/update_field", $field);
$field = apply_filters("acf/update_field/type={$field['type']}", $field);
$field = apply_filters("acf/update_field/name={$field['name']}", $field);
$field = apply_filters("acf/update_field/key={$field['key']}", $field);
// store origional field for return
$data = $field;
// extract some args
$extract = acf_extract_vars($data, array('ID', 'key', 'label', 'name', 'prefix', 'value', 'menu_order', 'id', 'class', 'parent', '_name', '_input', '_valid'));
// serialize for DB
$data = maybe_serialize($data);
// save
$save = array('ID' => $extract['ID'], 'post_status' => 'publish', 'post_type' => 'acf-field', 'post_title' => $extract['label'], 'post_name' => $extract['key'], 'post_excerpt' => $extract['name'], 'post_content' => $data, 'post_parent' => $extract['parent'], 'menu_order' => $extract['menu_order']);
// $specific
if (!empty($specific)) {
// prepend ID
array_unshift($specific, 'ID');
// vars
$_save = $save;
// reset
$save = array();
// appen data
foreach ($specific as $key) {
$save[$key] = $_save[$key];
}
}
// allow fields to contain the same name
add_filter('wp_unique_post_slug', 'acf_update_field_wp_unique_post_slug', 100, 6);
// update the field and update the ID
if ($field['ID']) {
wp_update_post($save);
} else {
$field['ID'] = wp_insert_post($save);
}
// clear cache
acf_delete_cache("get_field/key={$field['key']}");
// return
return $field;
}
function _acf_get_field_by_key($key = '', $db_only = false)
{
// try JSON before DB to save query time
if (!$db_only && acf_is_local_field($key)) {
$field = acf_get_local_field($key);
// validate
$field = acf_get_valid_field($field);
// return
return $field;
}
// vars
$post_id = acf_get_field_id($key);
// validate
if (!$post_id) {
return false;
}
// return
return _acf_get_field_by_id($post_id, $db_only);
}
